     #include "ros/ros.h"
     #include "newmsg/camera_wheel.h"
     #include "newmsg/obstacle_distance.h"
     #include "newmsg/order.h"
     #include "newmsg/sick_odom.h"

   void sick_odomCallback(const newmsg::sick_odom::ConstPtr& sick_odom_msg)
   {
     printf("sick_odom_msg");
   }
   
   int main(int argc, char **argv)
   {

     ros::init(argc, argv, "test_sub");
   
 
     ros::NodeHandle n;

     ros::Subscriber sub = n.subscribe("sick_odom", 1000, sick_odomCallback);

     ros::spin();
   
     return 0;
   }
